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Diverse applications of nanoparticles (NPs) have revolutionized various sectors in society. In the recent decade, particularly magnetic nanoparticles (MNPs) have gained enormous interest owing to their applications in specialized areas such as medicine, cancer theranostics, biosensing, catalysis, agriculture, and the environment. Controlled surface engineering for the design of multi-functional MNPs is vital for achieving desired application. The MNPs have demonstrated great efficacy as thermoelectric materials, imaging agents, drug delivery vehicles, and biosensors. In the present review, first we have briefly discussed main synthetic methods of MNPs, followed by their characterizations and composition. Then we have discussed the potential applications of MNPs in different with representative examples. At the end, we gave an overview on the current challenges and future prospects of MNPs. This comprehensive review not only provides the mechanistic insight into the synthesis, functionalization, and application of MNPs but also outlines the limits and potential prospects.
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http://dx.doi.org/10.3389/fchem.2021.629054 | DOI Listing |
Inorg Chem
September 2025
Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia.
In this work, we report a facile strategy for synthesizing hydrophilic Gd(OH) sheets via a Gd-based interfacial precipitation reaction at the interface of organosilane-modified GdO nanoparticles and a cation exchange resin. This strategy, independent of the specific organosilane used, produces two-dimensional sheets with a distinct lamellar structure and excellent aqueous dispersibility. Characterization confirms the formation of Gd(OH) sheets with promising fluorescent and magnetic properties.
View Article and Find Full Text PDFMikrochim Acta
September 2025
Department of Public Health Laboratory Sciences, College of Public Health, Hengyang Medical School, University of South China, 28 Changsheng West Road, Hengyang, 421001, Hunan, China.
We systematically evaluated the DNA adsorption and desorption efficiencies of several nanoparticles. Among them, titanium dioxide (TiO₂) nanoparticles (NPs), aluminum oxide (Al₂O₃) NPs, and zinc oxide (ZnO) NPs exhibited strong DNA-binding capacities under mild conditions. However, phosphate-mediated DNA displacement efficiencies varied considerably, with only TiO₂ NPs showing consistently superior performance.
View Article and Find Full Text PDFJ Am Chem Soc
September 2025
Department of Chemistry, National Taiwan University, Taipei 106319, Taiwan.
The exclusive formation of artificial multicomponent assemblies remains a significant challenge, in contrast to the well-established organization observed in natural systems, due to intrinsic entropic constraints. To overcome this limitation, recent efforts have been focused on developing precision self-assembly strategies for the rational construction of such architectures. Here, we construct an ideal complementary pair of 2,2':6',2″-terpyridine (tpy)-based ligands by fine-tuning the substituent bulkiness, which enables the quantitative formation of robust nested cages through efficient dynamic heteroleptic complexation with multivalent coordination.
View Article and Find Full Text PDFPhys Chem Chem Phys
September 2025
Masaryk University, Faculty of Science, Department of Chemistry, Kotlářská 2, Brno, 611 37, Czech Republic.
Structural and magnetic properties of ultra-small tetrahedron-shaped iron oxide nanoparticles were investigated using density functional theory. Tetrahedral and truncated tetrahedral models were considered in both non-functionalized form and with surfaces passivated by pseudo-hydrogen atoms. The focus on these two morphologies reflects their experimental relevance at this size scale and the feasibility of performing fully relaxed, atomistically resolved first-principles simulations.
View Article and Find Full Text PDFJ Mater Chem B
September 2025
Biomolecular Physics Department, Faculty of Physics, Babes-Bolyai University, 1 M. Kogalniceanu Street, 400084, Cluj-Napoca, Romania.
Magnetic nanoparticles are widely explored in biomedical applications, particularly as MRI contrast agents and for magnetic hyperthermia. However, their photothermal capabilities under near-infrared (NIR) irradiation remain underexplored in realistic, tissue-like environments. This study provides a comprehensive assessment of ultrasmall FeO nanoparticles (9.
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